尝试运行项目时出现以下错误：
A timeout occurred starting the SAPI Server.
System.InvalidOperationException was unhandled
Message="A timeout occurred starting the SAPI Server."
Source="System.Speech"
StackTrace:
at System.Speech.Internal.SapiInterop.SapiRecognizer..ctor(RecognizerType type)
at System.Speech.Recognition.SpeechRecognizer..ctor()
at testdan.Form1..ctor() in C:\Users\Dany\Documents\Visual Studio 2008\Projects\testdan\testdan\Form1.cs:line 17
at testdan.Program.Main() in C:\Users\Dany\Documents\Visual Studio 2008\Projects\testdan\testdan\Program.cs:line 18
at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
表格 1 代码：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Speech.Recognition;
using System.Threading;
namespace testdan
{
public partial class Form1 : Form
{
SpeechRecognizer rec = new SpeechRecognizer();
public Form1()
{
InitializeComponent();
rec.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(rec_SpeechRecognized);
}
void rec_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
lblLetter.Text = e.Result.Text;
MessageBox.Show(e.Result.Text);
}
void Form1_Load(object sender, EventArgs e)
{
var c = new Choices();
c.Add("close");
c.Add("stop");
c.Add("pause");
var gb = new GrammarBuilder(c);
var g = new Grammar(gb);
rec.LoadGrammar(g);
rec.Enabled = true;
}
}
}